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Plant Hardiness Gardening Zone Map for the Southwest US

Garden planting zones 5B through 10B

Arizona, California, Nevada, Utah

The 2003 US National Arboretum "Web Version" of the 1990 USDA Plant Hardiness Zone Map

• Zone Map - NW
• Zone Map - SW
• Zone Map - NE
• Zone Map - SE
• Zone Map - N Midwest
• Zone Map - S Midwest
• Zone Map - Alaska
• Zone Map - Hawaii

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